linter v2

.github/workflows/go-checks.yml

@@ -13,10 +13,10 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: '1.22'
+          go-version: '1.23'
       - run: go mod tidy
-      - uses: golangci/golangci-lint-action@v6
+      - uses: golangci/golangci-lint-action@v7
         with:
-          version: 'v1.61'
+          version: 'v2.1.5'
       - run: go build -v ./...
       - run: go test -v ./...

.golangci.yml

@@ -1,122 +1,138 @@
-run:
-  timeout: 10m
-
+version: "2"
 linters:
-  presets:
-    - bugs
-    - error
+  enable:
+    - asasalint
+    - asciicheck
+    - bidichk
+    - bodyclose
+    - durationcheck
+    - fatcontext
+    - gochecksumtype
+    - gocritic
+    - gosec
+    - gosmopolitan
+    - loggercheck
+    - nilnesserr
+    - prealloc
+    - protogetter
+    - reassign
+    - recvcheck
+    - rowserrcheck
+    - spancheck
+    - sqlclosecheck
+    - testifylint
+    - unconvert
+    - zerologlint
+    - makezero
+    - noctx
+    - nilerr
+    - errorlint
     - unused
-    - performance
   disable:
-    - exhaustive
-    - musttag
-    - contextcheck
-    - wrapcheck
-    - goerr113
-    - unparam
-    - makezero #TODO: enable me
-    - noctx #TODO: enable me
-    - nilerr #TODO: enable me
-    - errorlint #TODO: enable me
     - errchkjson #TODO: enable me
-    - unused #TODO: enable me
     - perfsprint #TODO: enable me
+    - contextcheck
+    - err113
+    - exhaustive
     - gocheckcompilerdirectives
+    - musttag
+    - unparam
+    - wrapcheck
+  settings:
+    goconst:
+      min-len: 2
+      min-occurrences: 2
+    gocritic:
+      disabled-checks:
+        - rangeValCopy
+        - exitAfterDefer
+        - elseif
+        - dupBranchBody
+        - assignOp
+        - singleCaseSwitch
+        - captLocal
+        - commentFormatting
+        - ifElseChain
+        - sprintfQuotedString
+        - commentedOutCode
+        - preferFprint
+        - importShadow
+        - emptyStringTest
+        - paramTypeCombine
+        - unnamedResult
+      enabled-tags:
+        - performance
+        - diagnostic
+        - style
+      settings:
+        rangeExprCopy:
+          sizeThreshold: 512
+          skipTestFuncs: true
+        underef:
+          skipRecvDeref: true
+    govet:
+      disable:
+        - deepequalerrors
+        - fieldalignment
+        - shadow
+        - unsafeptr
+  exclusions:
+    generated: lax
+    presets:
+      - comments
+      - common-false-positives
+      - legacy
+      - std-error-handling
+    rules:
+      - linters:
+          - golint
+        text: should be
+      - linters:
+          - errcheck
+        text: not checked
+      - linters:
+          - staticcheck
+        text: SA(1019|1029|5011)
+      - linters:
+          - gocritic
+          - gosec
+          - unused
+        path: test\.go
+      - linters:
+          - gocritic
+          - gosec
+          - unused
+        path: hack\.go
+      - linters:
+          - gocritic
+          - gosec
+          - unused
+        path: cmd/devp2p
+      - linters:
+          - gocritic
+          - gosec
+        path: metrics/sample\.go
+      - linters:
+          - gocritic
+          - gosec
+        path: p2p/simulations
+      - linters:
+          - gocritic
+          - gosec
+        path: p2p/dnsdisc
+    paths:
+      - third_party$
+      - builtin$
+      - examples$
+formatters:
   enable:
-    - unconvert
-    #    - predeclared #TODO: enable me
-    #    - thelper #TODO: enable me
-    #    - wastedassign
     - gofmt
-    - gocritic
-#    - revive
-#    - forcetypeassert
-#    - stylecheck
-
-linters-settings:
-  gocritic: # see https://golangci-lint.run/usage/linters/#gocritic and https://go-critic.github.io/overview#checks-overview
-    enabled-tags:
-      - performance
-      - diagnostic
-      - style
-    disabled-checks:
-      - rangeValCopy
-      - exitAfterDefer
-      - elseif
-      - dupBranchBody
-      - assignOp
-      - singleCaseSwitch
-      - captLocal
-      - commentFormatting
-      - ifElseChain
-      - sprintfQuotedString
-      - commentedOutCode
-      - preferFprint
-
-      # style tag
-      - importShadow
-      - emptyStringTest
-      - paramTypeCombine
-      - unnamedResult
-
-    settings:
-      rangeExprCopy:
-        # size in bytes that makes the warning trigger (default 512)
-        sizeThreshold: 512
-        # whether to check test functions (default true)
-        skipTestFuncs: true
-      underef:
-        # whether to skip (*x).method() calls where x is a pointer receiver (default true)
-        skipRecvDeref: true
-
-  govet:
-    disable:
-      - deepequalerrors
-      - fieldalignment
-      - shadow
-      - unsafeptr
-  goconst:
-    min-len: 2
-    min-occurrences: 2
-  gofmt:
-    simplify: false
-
-issues:
-  exclude-rules:
-    - linters:
-        - golint
-      text: "should be"
-    - linters:
-        - errcheck
-      text: "not checked"
-    - linters:
-        - staticcheck
-      text: "SA(1019|1029|5011)"
-    # Exclude some linters from running on tests files.
-    - path: test\.go
-      linters:
-        - gosec
-        - unused
-        - gocritic
-    - path: hack\.go
-      linters:
-        - gosec
-        - unused
-        - gocritic
-    - path: cmd/devp2p
-      linters:
-        - gosec
-        - unused
-        - gocritic
-    - path: metrics/sample\.go
-      linters:
-        - gosec
-        - gocritic
-    - path: p2p/simulations
-      linters:
-        - gosec
-        - gocritic
-    - path: p2p/dnsdisc
-      linters:
-        - gosec
-        - gocritic
+  settings:
+    gofmt:
+      simplify: false
+  exclusions:
+    generated: lax
+    paths:
+      - third_party$
+      - builtin$
+      - examples$

Makefile

@@ -38,6 +38,6 @@ lintci:
 ## lintci-deps:                       (re)installs golangci-lint to build/bin/golangci-lint
 lintci-deps:
 	rm -f ./build/bin/golangci-lint
-	curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b ./build/bin v1.57.2
+	curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b ./build/bin v2.1.5
 
 .PHONY: build test run clean

cmd/diagnostics/main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"bufio"
 	"context"
+	"errors"
 	"fmt"
 	"log"
 	"net/http"
@@ -72,7 +73,7 @@ func main() {
 	switch s := <-signalCh; s {
 	case syscall.SIGTERM:
 		log.Println("Terminating gracefully.")
-		if err := srv.Shutdown(context.Background()); err != http.ErrServerClosed {
+		if err := srv.Shutdown(context.Background()); !errors.Is(err, http.ErrServerClosed) {
 			log.Println("Failed to shutdown server:", err)
 		}
 	case syscall.SIGINT:

internal/erigon_node/remote_db.go

@@ -145,13 +145,13 @@ func (rc *RemoteCursor) findFullDbPath(ctx context.Context, db string) (string,
 	request, err := rc.nodeClient.fetch(ctx, "dbs", nil)
 
 	if err != nil {
-		return "", fmt.Errorf("unable to fetch database list: %s", err)
+		return "", fmt.Errorf("unable to fetch database list: %w", err)
 	}
 
 	_, result, err := request.nextResult(ctx)
 
 	if err != nil {
-		return "", fmt.Errorf("unable to fetch database list: %s", err)
+		return "", fmt.Errorf("unable to fetch database list: %w", err)
 	}
 
 	var lines []string

internal/sessions/middleware.go

@@ -4,10 +4,6 @@ import (
 	"net/http"
 )
 
-const sessionIdCookieName = "sessionId"
-
-const sessionIdCookieDuration = 30 * 24 * 3600 // 30 days
-
 type Middleware struct {
 	CacheService
 }